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III−V Nanowire Growth Mechanism: V/III Ratio and Temperature Effects
Abstract
We have studied the dependence of Au-assisted InAs nanowire (NW) growth on InAs(111)B substrates as a function of substrate temperature and input V/III precursor ratio using organometallic vapor-phase epitaxy. Temperature-dependent growth was observed within certain temperature windows that are highly dependent on input V/III ratios. This dependence was found to be a direct consequence of the drop in NW nucleation and growth rate with increasing V/III ratio at a constant growth temperature due to depletion of indium at the NW growth sites. The growth rate was found to be determined by the local V/III ratio, which is dependent on the input precursor flow rates, growth temperature, and substrate decomposition. These studies advance understanding of the key processes involved in III-V NW growth, support the general validity of the vapor-liquid-solid growth mechanism for III-V NWs, and improve rational control over their growth morphology.
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Cited by
Phase Perfection in Zinc Blende and Wurtzite III−V Nanowires Using Basic Growth Parameters
Joyce, H. J., Wong-Leung, J., Gao, Q., Tan, H. H., & Jagadish, C. (2010) · Nano Letters · doi:10.1021/nl903688v · Cited by 484
Efficient terahertz emission from InAs nanowires
Seletskiy, D. V., Hasselbeck, M. P., Cederberg, J. G., Katzenmeyer, A., Toimil-Molares, M. E., Léonard, F., Talin, A. A., & Sheik-Bahae, M. (2011) · Physical Review B · doi:10.1103/physrevb.84.115421 · Cited by 81
Metadata
- Authors
- Dayeh, S. A., Yu, E. T., & Wang, D.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2007-07-04
- Volume
- 7
- Issue
- 8
- Pages
- 2486-2490
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2039620565
- Cited by
- 186
- References
- 0
- FWCI
- 11.66
- Type
- journal article
- Language
- en
- Open access
- closed
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- Dayeh, S. A., Yu, E. T., & Wang, D. (2007). III−V Nanowire Growth Mechanism: V/III Ratio and Temperature Effects. Nano Letters. https://doi.org/10.1021/nl0712668
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